/* ============================================================
   Path-iQ Legal Pages — Shared Stylesheet
   Matches the main site design language. Mobile-first.
   ============================================================ */

:root {
  --bg-page: #eef2f7;
  --bg-soft: #e6ebf2;
  --bg-mid: #dde4ec;
  --bg-card: #ffffff;
  --bg-warm-white: #fafbfd;

  --text: #0a0d12;
  --text-2: #4a5160;
  --text-3: #7d8593;
  --text-4: #a8aebb;

  --mint: #c5e8ed;
  --mint-soft: #d8eef1;
  --mint-bright: #a3e1e6;
  --mint-deep: #4fa6b0;
  --mint-text: #2c8088;

  --stain-1: #c84a7a;
  --stain-2: #8a3a6c;
  --stain-3: #4a1f3f;
  --stain-bg: #fce8ee;
  --stain-bg-2: #f5d4e0;

  --warm-peach: #f5d4b3;
  --warm-blush: #f0c4cc;

  --divider: rgba(36, 63, 110, 0.08);

  /* iOS-style glass surfaces */
  --glass-bg: rgba(255, 255, 255, 0.62);
  --glass-bg-soft: rgba(255, 255, 255, 0.45);
  --glass-bg-strong: rgba(255, 255, 255, 0.78);
  --glass-edge: rgba(255, 255, 255, 0.85);
  --glass-blur: saturate(180%) blur(22px);
  --glass-blur-strong: saturate(200%) blur(28px);
  --glass-inset: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
  --glass-shadow: 0 8px 32px -10px rgba(36, 63, 110, 0.14), 0 1px 0 rgba(255, 255, 255, 0.55) inset;
  --glass-shadow-soft: 0 4px 18px -8px rgba(36, 63, 110, 0.1), 0 1px 0 rgba(255, 255, 255, 0.45) inset;
  --divider-strong: rgba(36, 63, 110, 0.14);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-card: 0 20px 50px -16px rgba(36, 63, 110, 0.14),
                 0 1px 0 rgba(255, 255, 255, 1) inset;
  --shadow-lg: 0 40px 80px -24px rgba(36, 63, 110, 0.2),
               0 1px 0 rgba(255, 255, 255, 1) inset;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--mint-text); text-decoration: none; transition: color 160ms var(--ease); }
a:hover { color: var(--mint-deep); }
::selection { background: var(--mint); color: var(--text); }

/* Atmosphere — matches main site */
.page-bg {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 50% 40% at 100% 75%, rgba(95, 210, 180, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 95%, rgba(168, 200, 226, 0.22) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 20% 0%, rgba(197, 232, 237, 0.5) 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 90% 25%, rgba(110, 168, 212, 0.25) 0%, transparent 60%),
    linear-gradient(180deg, #f3f6fa 0%, #eaf0f5 40%, #ebf3f3 100%);
}
.page-grain {
  position: fixed; inset: 0; z-index: -1; opacity: 0.3; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

/* ───── RESEARCH-USE BANNER (top of every page) ───── */
.research-banner {
  position: relative;
  z-index: 101;
  background: rgba(79, 166, 176, 0.1);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(79, 166, 176, 0.2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset;
  color: var(--mint-text);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 7px 16px;
  line-height: 1.4;
}
.research-banner strong { color: var(--text); font-weight: 600; }
@media (max-width: 520px) {
  .research-banner { font-size: 10px; letter-spacing: 0.08em; padding: 6px 12px; }
}
@media print { .research-banner { display: none; } }

/* ───── NAV ───── */
nav.topnav {
  position: sticky; top: 0; z-index: 100;
  height: 54px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border-bottom: 1px solid var(--glass-edge);
  box-shadow: 0 1px 0 rgba(36, 63, 110, 0.04), var(--glass-inset);
}
.nav-inner {
  max-width: 1100px; height: 100%; margin: 0 auto;
  padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.logo {
  font-size: 15px; font-weight: 600; letter-spacing: -0.018em;
  display: flex; align-items: center; gap: 8px; color: var(--text);
}
.logo-mark {
  width: 24px; height: 24px; border-radius: 6px;
  background: linear-gradient(135deg, var(--mint-bright) 0%, var(--mint-deep) 100%);
  box-shadow: 0 3px 10px rgba(0, 144, 255, 0.18), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 12px;
}
.nav-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500; color: var(--text-2);
  padding: 6px 12px; border-radius: 980px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-inset);
  transition: all 200ms var(--ease);
}
.nav-back:hover {
  color: var(--text);
  background: var(--glass-bg-strong);
  transform: translateY(-1px);
}
.nav-back svg { width: 12px; height: 12px; }

/* ───── PAGE LAYOUT ───── */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 18px 44px;
}

/* Breadcrumbs */
.crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text-3);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--text-2); }
.crumbs .sep { opacity: 0.5; }
.crumbs .current { color: var(--text-2); }

/* Hero */
.policy-hero { margin-bottom: 16px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint-text);
  background: var(--mint-soft);
  padding: 3px 9px;
  border-radius: 980px;
  margin-bottom: 10px;
}
.eyebrow .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--mint-deep);
}
.policy-title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 4px;
}
.policy-updated {
  font-size: 12px; color: var(--text-3);
  letter-spacing: 0.01em;
}

/* ───── CONTENT GRID ───── */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}
@media (min-width: 920px) {
  .content-grid {
    grid-template-columns: 192px 1fr;
    gap: 28px;
  }
}

/* TOC sidebar */
.toc {
  position: relative;
  display: none;
}
@media (min-width: 920px) {
  .toc {
    display: block;
    position: sticky;
    top: 66px;
  }
}
.toc-label {
  font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
  padding-left: 12px;
}
.toc ol {
  list-style: none;
  border-left: 1px solid var(--divider);
}
.toc li { display: block; }
.toc a {
  display: block;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-2);
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: all 160ms var(--ease);
  line-height: 1.35;
}
.toc a:hover { color: var(--text); }
.toc a.active {
  color: var(--mint-text);
  border-left-color: var(--mint-deep);
  font-weight: 500;
}

/* Mobile TOC — collapsible */
.toc-mobile {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 10px;
  box-shadow: var(--glass-shadow-soft);
  margin-bottom: 13px;
  overflow: hidden;
  border: 1px solid var(--glass-edge);
}
@media (min-width: 920px) { .toc-mobile { display: none; } }
.toc-mobile summary {
  list-style: none;
  cursor: pointer;
  padding: 9px 14px;
  font-size: 12px; font-weight: 600;
  color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
}
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile summary::after {
  content: '';
  width: 8px; height: 8px;
  border-right: 2px solid var(--text-3);
  border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}
.toc-mobile[open] summary::after { transform: rotate(-135deg); }
.toc-mobile ol {
  list-style: none;
  padding: 3px 0 8px;
  border-top: 1px solid var(--divider);
}
.toc-mobile a {
  display: block;
  padding: 7px 16px;
  font-size: 12.5px;
  color: var(--text-2);
}
.toc-mobile a:hover { background: var(--bg-soft); color: var(--text); }

/* ───── PROSE / ARTICLE ───── */
article.prose {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0.55) 100%);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  padding: 20px 16px;
  box-shadow: var(--glass-shadow);
}
@media (min-width: 768px) {
  article.prose { padding: 26px 32px; }
}

/* Intro callout */
.intro-callout {
  padding: 11px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.65), rgba(197, 232, 237, 0.55));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-left: 3px solid var(--mint-deep);
  border-radius: 0 8px 8px 0;
  margin-bottom: 18px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
  box-shadow: var(--glass-inset);
}

/* Headings inside prose */
.prose h2 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 20px 0 6px;
  padding-top: 11px;
  border-top: 1px solid var(--divider);
  scroll-margin-top: 70px;
}
.prose h2:first-of-type,
.prose .intro-callout + h2 {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.prose h2 .num {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--mint-text);
  margin-right: 8px;
  letter-spacing: 0.02em;
  vertical-align: middle;
  transform: translateY(-1px);
}
.prose h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text);
  margin: 13px 0 5px;
}
.prose p {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-2);
  margin-bottom: 7px;
}
.prose strong { color: var(--text); font-weight: 600; }
.prose ul, .prose ol.list {
  margin: 4px 0 10px;
  padding-left: 17px;
}
.prose li {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-2);
  margin-bottom: 2px;
}
.prose li::marker { color: var(--text-3); }
.prose a {
  color: var(--mint-text);
  border-bottom: 1px solid rgba(79, 166, 176, 0.3);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}
.prose a:hover {
  color: var(--mint-deep);
  border-bottom-color: var(--mint-deep);
}
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--stain-2);
}

/* Notice boxes — for important callouts within content */
.notice {
  display: flex; gap: 9px;
  padding: 10px 13px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  border-radius: 9px;
  margin: 11px 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
  box-shadow: var(--glass-shadow-soft);
}
.notice.warn {
  background: linear-gradient(180deg, rgba(255, 247, 232, 0.78), rgba(253, 238, 211, 0.72));
  border-color: rgba(232, 152, 38, 0.28);
}
.notice.danger {
  background: linear-gradient(180deg, rgba(254, 240, 245, 0.78), rgba(252, 228, 237, 0.72));
  border-color: rgba(200, 74, 122, 0.24);
}
.notice .ico {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  border-radius: 5px;
  background: var(--mint-deep);
  color: white;
}
.notice.warn .ico { background: #e89826; }
.notice.danger .ico { background: var(--stain-1); }
.notice strong { color: var(--text); }

/* Definition list / data tables */
.kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 8px 0 14px;
  border: 1px solid var(--glass-edge);
  border-radius: 10px;
  overflow: hidden;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow-soft);
}
.kv > div {
  display: grid;
  grid-template-columns: 1fr;
  padding: 8px 12px;
  border-bottom: 1px solid var(--divider);
  font-size: 13px;
}
.kv > div:last-child { border-bottom: none; }
.kv .k {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.kv .v { color: var(--text-2); line-height: 1.5; }
@media (min-width: 640px) {
  .kv > div { grid-template-columns: 170px 1fr; gap: 13px; }
  .kv .k { margin-bottom: 0; }
}

/* ───── FOOTER ───── */
.policy-footer {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--divider);
}
.contact-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.75), rgba(197, 232, 237, 0.55));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--glass-shadow);
  margin-bottom: 18px;
}
.contact-card h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  color: var(--text);
}
.contact-card p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 8px;
}
.contact-card a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500;
  color: var(--mint-text);
}
.contact-card a + a { margin-left: 18px; }

.foot-links {
  display: flex; flex-wrap: wrap; gap: 5px 12px;
  font-size: 12px;
  margin-bottom: 10px;
}
.foot-links a {
  color: var(--text-3);
  padding: 4px 0;
}
.foot-links a:hover { color: var(--text); }

.foot-meta {
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.01em;
}
.foot-meta a { color: var(--text-3); }

/* ───── HUB INDEX SPECIFIC ───── */
.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 13px;
}
@media (min-width: 640px) {
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .hub-grid { grid-template-columns: repeat(3, 1fr); }
}
.hub-card {
  display: block;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  border-radius: 10px;
  padding: 13px 14px 14px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--glass-shadow-soft);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), background 220ms var(--ease-out);
  position: relative;
  overflow: hidden;
}
.hub-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, var(--mint-soft) 100%);
  opacity: 0;
  transition: opacity 220ms var(--ease);
  pointer-events: none;
}
.hub-card:hover {
  transform: translateY(-2px);
  background: var(--glass-bg-strong);
  box-shadow: 0 18px 36px -14px rgba(36, 63, 110, 0.2), var(--glass-inset);
}
.hub-card:hover::before { opacity: 1; }
.hub-card .tag {
  display: inline-block;
  font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mint-text);
  background: var(--mint-soft);
  padding: 2px 7px;
  border-radius: 980px;
  margin-bottom: 6px;
  position: relative; z-index: 1;
}
.hub-card .tag.critical {
  color: var(--stain-2);
  background: var(--stain-bg);
}
.hub-card h3 {
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 3px;
  color: var(--text);
  position: relative; z-index: 1;
}
.hub-card p {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-3);
  position: relative; z-index: 1;
}
.hub-card .arrow {
  position: absolute;
  bottom: 13px; right: 13px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  font-size: 11px;
  transition: all 220ms var(--ease-out);
  z-index: 1;
}
.hub-card:hover .arrow {
  background: var(--mint-deep);
  color: white;
  transform: translateX(2px);
}

.section-heading {
  margin: 22px 0 3px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3);
}
.section-heading:first-of-type { margin-top: 18px; }
.section-sub {
  font-size: 12.5px;
  color: var(--text-3);
  margin-bottom: 4px;
}

/* ───── MICRO-INTERACTIONS ───── */

/* Reading progress bar (fixed, very top) */
.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--mint-deep), var(--mint-bright));
  z-index: 150;
  pointer-events: none;
  transition: width 80ms linear;
  box-shadow: 0 0 8px rgba(79, 166, 176, 0.4);
}

/* Back-to-top button */
.back-top {
  position: fixed;
  bottom: 18px; right: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--glass-edge);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 80;
  box-shadow: 0 8px 24px -6px rgba(36, 63, 110, 0.22), var(--glass-inset);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease),
              background 160ms var(--ease), color 160ms var(--ease),
              border-color 160ms var(--ease);
}
.back-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-top:hover {
  background: var(--mint-deep);
  color: white;
  border-color: var(--mint-deep);
  transform: translateY(-2px);
}
.back-top:active { transform: translateY(0); }
.back-top svg { width: 14px; height: 14px; }

/* Anchor-copy button beside section headings */
.prose h2 { position: relative; }
.anchor-link {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 22px; height: 22px;
  margin-left: 4px;
  color: var(--text-4);
  border-radius: 5px;
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  vertical-align: baseline;
  opacity: 0;
  transition: opacity 180ms var(--ease), color 160ms var(--ease),
              background 160ms var(--ease), transform 160ms var(--ease);
}
.prose h2:hover .anchor-link,
.prose h2:focus-within .anchor-link { opacity: 1; }
.anchor-link:hover {
  color: var(--mint-deep);
  background: var(--mint-soft);
}
.anchor-link.copied {
  color: var(--mint-deep);
  background: var(--mint-soft);
  transform: scale(1.1);
}

/* Article fade-up on load */
@keyframes proseFadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
article.prose {
  animation: proseFadeUp 380ms var(--ease-out) both;
}

/* Crumbs + hero subtle entry */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.crumbs, .policy-hero, .toc-mobile, .toc {
  animation: fadeIn 320ms var(--ease-out) both;
}

/* Active TOC link: small leading dot that pops */
.toc a.active::before {
  content: '';
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--mint-deep);
  margin-right: 8px;
  vertical-align: middle;
  transform: translateY(-1px);
  animation: dotPop 280ms var(--ease-out);
}
@keyframes dotPop {
  0%   { transform: translateY(-1px) scale(0); }
  60%  { transform: translateY(-1px) scale(1.4); }
  100% { transform: translateY(-1px) scale(1); }
}

/* Inline link underline grow on hover */
.prose a {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  border-bottom: none;
  padding-bottom: 1px;
  transition: background-size 220ms var(--ease), color 160ms var(--ease);
}
.prose a:hover {
  background-size: 100% 1px;
  color: var(--mint-deep);
}

/* Hub cards: arrow nudge on hover (refinement) */
.hub-card:hover .arrow { transform: translateX(3px); }

/* Polished keyboard focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--mint-deep);
  outline-offset: 2px;
  border-radius: 4px;
}
.nav-back:focus-visible,
.back-top:focus-visible { outline-offset: 3px; }

/* Print: hide all the micro-interaction chrome */
@media print {
  .read-progress, .back-top, .anchor-link { display: none !important; }
}


@media print {
  .page-bg, .page-grain, nav.topnav, .toc, .toc-mobile, .nav-back { display: none !important; }
  body { background: white; }
  article.prose { box-shadow: none; border: none; padding: 0; background: white; }
  .prose h2 { page-break-after: avoid; }
  .prose p, .prose li { page-break-inside: avoid; }
}

/* Motion safety */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}